Преходни метали [Nature Category:
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“Преходни метали са подгрупа на химическите елементи от Периодичната система от елементи, в атомите на които електроните са на d- и f-орбиталите. Те съдържат елементи от група 3 до 12, период от 4 до 7. Всички те са метали, защото имат само един или два валентни електрона. В общ вид електронният строеж може да се представи като . По химични свойства те са амфотерни. Думата преходни идва от мястото им в периодичната система. По магнитни свойства те са парамагнетици. …” (Wikipedia) (Wikipedia translated)
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